Historical on-time performance
Chicago to Colorado Springs
Flights on ORD–COS arrive on time 68% of the time over the last 12 months.
based on 971 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
Not enough comparable data to name a most-on-time carrier — low-data carriers aren't ranked.
- United AirlinesOn-time86%Medianon timep9020 minCancel0.0%Flights153
- SkyWest AirlinesOn-time65%Medianon timep9075 minCancel2.0%Flights818
Why flights run late
Delay causes
- Airline38%
- Weather15%
- Air traffic (NAS)19%
- Late aircraft28%
- Security0%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline0%
- Weather100%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 16 cancellations with a reported cause (BTS reports causes from June 2003).
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly ORD → COS
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Mornings are the most reliable time of day to fly this route — 76% on time.
- Mornings76% on time · p90 40 min · 1,325 flights
- Middays63% on time · p90 135 min · 120 flights · limited
- Evenings60% on time · p90 75 min · 730 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 62% to 74% on time.
- Tuesdays74% on time · p90 60 min · 316 flights
- Wednesdays74% on time · p90 50 min · 316 flights
- Saturdays72% on time · p90 45 min · 323 flights
- Mondays70% on time · p90 55 min · 320 flights
- Sundays69% on time · p90 70 min · 323 flights
- Thursdays69% on time · p90 55 min · 317 flights
- Fridays62% on time · p90 70 min · 322 flights
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